78675410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 163171584

約数和(自身を除く): 84496174

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 257, 506, 514, 605, 1210, 1265, 1285, 1331, 2530, 2570, 2662, 2783, 2827, 5566, 5654, 5911, 6655, 11822, 13310, 13915, 14135, 27830, 28270, 29555, 30613, 31097, 59110, 61226, 62194, 65021, 130042, 153065, 155485, 306130, 310970, 325105, 342067, 650210, 684134, 715231, 1430462, 1710335, 3420670, 3576155, 7152310, 7867541, 15735082, 39337705, 78675410]

約数ペア:

[(1, 78675410), (2, 39337705), (5, 15735082), (10, 7867541), (11, 7152310), (22, 3576155), (23, 3420670), (46, 1710335), (55, 1430462), (110, 715231), (115, 684134), (121, 650210), (230, 342067), (242, 325105), (253, 310970), (257, 306130), (506, 155485), (514, 153065), (605, 130042), (1210, 65021), (1265, 62194), (1285, 61226), (1331, 59110), (2530, 31097), (2570, 30613), (2662, 29555), (2783, 28270), (2827, 27830), (5566, 14135), (5654, 13915), (5911, 13310), (6655, 11822)]